Regulations last checked for updates: May 04, 2025

Title 49 - Transportation last revised: Mar 20, 2025
§ 236.553 - Seal, where required.

Seal shall be maintained on any device other than brake-pipe cut-out cock (double-heading cock), by means of which the operation of the pneumatic portion of automatic train-stop or train-control apparatus can be cut out.

source: 33 FR 19684, Dec. 25, 1968, unless otherwise noted.
cite as: 49 CFR 236.553